## Calculate the ultimate compressive strength, Civil Engineering

Assignment Help:

Calculate the ultimate compressive strength

A 6 in. by 12 in. cylinder failed at an axial compressive force of 120,000-lbf, at 28 days. Calculate the ultimate compressive strength:

SOLUTION:

f'c = P/A = 120,000 lbf ÷ (π/4)(6 in)2 = 4,247-psi

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